/*
 * Digital Audio Mobile - A multi track studio for Windows Mobile
 * Copyright (C) 2008 David Olsson
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#if !defined(__SEGMENT_H__)
#define __SEGMENT_H__

#include <tchar.h>
#include <windows.h>

#include "MusicTime.h"

class AudioBuffer;
class WaveFile;

class Segment {
public:
    Segment(const MusicTime &pos) throw();
    ~Segment();

    void unlink() throw();

    void setPosition(const MusicTime &pos) throw();
    void setFileLength(const MusicTime &length) throw();
    void setFileOffset(const MusicTime &offset) throw();
    void setSource(const TCHAR *wavFile) throw();

    void superPositionToAudioBuffer(AudioBuffer *buffer, const MusicTime &bufferStart) const throw();

    void paint(HDC hDc, HBRUSH hBrush, const RECT &rect, const MusicTime &viewStart, const MusicTime &viewEnd) const throw();
private:
    void openSourceFile() const throw();
    void readDataIntoBuffer(const MusicTime &time) const throw();

    MusicTime m_pos;
    mutable MusicTime m_length;
    MusicTime m_offset;
    TCHAR *m_wavFile;

    mutable WaveFile *m_file;
    mutable DWORD m_dataStart;
    mutable AudioBuffer *m_buffer;
};

#endif
